Episode 110, "Hitchhiker" Tonight 8|7c
SEASON 5, EPISODE 510 - When the word ""rapist"" is found written on the gravestone of a popular male college student who was fatally shot 25 years ago, the team uncovers the fact that the college staff and police had ignored female students who had accused him of date rape before his death. Now, those coeds are suspects in his murder. Emmy Award nominee Michele Greene (""L.A. Law"") guest stars as rape victim Tessie Bartram. Deirdre Lovejoy (""The Wire"") guest stars as another victim, Regie Kunze. Justin Hartley (""Smallville"") guest stars as Mike Delaney.